utilities.py 文件源码

def trigger_reminder(self, reminder):
        message = reminder.message_id
        channel = self.state.channels.get(message.channel_id)
        if not channel:
            self.log.warning('Not triggering reminder, channel %s was not found!',
                message.channel_id)
            reminder.delete_instance()
            return

        msg = channel.send_message(u'<@{}> you asked me at {} ({} ago) to remind you about: {}'.format(
            message.author_id,
            reminder.created_at,
            humanize.naturaldelta(reminder.created_at - datetime.utcnow()),
            S(reminder.content)
        ))

        # Add the emoji options
        msg.add_reaction(SNOOZE_EMOJI)
        msg.add_reaction(GREEN_TICK_EMOJI)

        try:
            mra_event = self.wait_for_event(
                'MessageReactionAdd',
                message_id=msg.id,
                conditional=lambda e: (
                    (e.emoji.name == SNOOZE_EMOJI or e.emoji.id == GREEN_TICK_EMOJI_ID) and
                    e.user_id == message.author_id
                )
            ).get(timeout=30)
        except gevent.Timeout:
            reminder.delete_instance()
            return
        finally:
            # Cleanup
            msg.delete_reaction(SNOOZE_EMOJI)
            msg.delete_reaction(GREEN_TICK_EMOJI)

        if mra_event.emoji.name == SNOOZE_EMOJI:
            reminder.remind_at = datetime.utcnow() + timedelta(minutes=20)
            reminder.save()
            msg.edit(u'Ok, I\'ve snoozed that reminder for 20 minutes.')
            return

        reminder.delete_instance()